Finding the Fourth Proportional to 274,417,062.12, 378,696,206.84 and 150,665,716.20
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Solution
The fourth proportional to 274,417,062.12, 378,696,206.84 and 150,665,716.20 is: 207,919,051.33
Step by Step Solution
- Step 1: Write the proportion equation
274,417,062.12 : 378,696,206.84 = 150,665,716.20 : x - Step 2: Convert to fraction form
274,417,062.12/378,696,206.84 = 150,665,716.20/x - Step 3: Cross multiply
274,417,062.12x = 378,696,206.84 × 150,665,716.20 - Step 4: Simplify right side
274,417,062.12x = 57,056,535,225,771,928 - Step 5: Solve for x
x = 57,056,535,225,771,928/274,417,062.12 - Step 6: Final answer
x = 207,919,051.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.